WO2004105072A2 - Floating mount for plasma screen - Google Patents

Floating mount for plasma screen Download PDF

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Publication number
WO2004105072A2
WO2004105072A2 PCT/US2004/014873 US2004014873W WO2004105072A2 WO 2004105072 A2 WO2004105072 A2 WO 2004105072A2 US 2004014873 W US2004014873 W US 2004014873W WO 2004105072 A2 WO2004105072 A2 WO 2004105072A2
Authority
WO
WIPO (PCT)
Prior art keywords
mounting system
display screen
springs
flat display
inner frame
Prior art date
Application number
PCT/US2004/014873
Other languages
French (fr)
Other versions
WO2004105072A3 (en
Inventor
Robert F. Eakle, Jr.
Donald J. Pak
Original Assignee
Westinghouse Savannah River Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westinghouse Savannah River Company filed Critical Westinghouse Savannah River Company
Priority to DE602004003058T priority Critical patent/DE602004003058T2/en
Priority to EP04752014A priority patent/EP1634444B1/en
Priority to CA002526020A priority patent/CA2526020C/en
Publication of WO2004105072A2 publication Critical patent/WO2004105072A2/en
Publication of WO2004105072A3 publication Critical patent/WO2004105072A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R11/0229—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes
    • B60R11/0235—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes of flat type, e.g. LCD
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
    • B60R2011/008—Adjustable or movable supports
    • B60R2011/0085—Adjustable or movable supports with adjustment by rotation in their operational position
    • B60R2011/0089—Adjustable or movable supports with adjustment by rotation in their operational position around three axes, i.e. universally mounted
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/04—Balancing means

Definitions

  • This application relates to methods for mounting flat display screens, particularly plasma screens, in mobile facilities and particularly to methods for vibration isolation for plasma screens in ambulances, mobile hospitals, travel trailers and military vehicles.
  • English patent GB 2,357,178A is directed to a mounting system for a plasma display screen that includes a housing which provides adequate ventilation to prevent overheating.
  • Japanese Published Patent Application Hei 8- 162028 A discloses gaskets between the panel end mounts to serve as cushioning elements.
  • U.S. Patent No. 6,357,717 to Kennard, IN is directed to a vibration isolation device formed from a soft pliable substance into a stepped configuration.
  • U.S. Patent No. 6,504,596 to You et al. discloses a liquid crystal device with stress-relieved corners to improve impact resistance.
  • U.S. Patent No. 6,508,343 to Misaji et al. is directed to a vibration cancellation system incorporating a weight mounted in an elastic body.
  • the prior art devices fail to teach how to mount a large flat glass screen in such a manner as to prevent breakage when mounted in moving vehicles such as ambulances, buses and aircraft.
  • the object of this invention can be obtained by the use of a mounting system that provides limited freedom of movement.
  • a system is provided to firstly suspend a flat display screen within two frames, the two frames being separated from each other by linear low-friction devices and dampers, and to further isolate the screen from the second frame on four sides by springs and dampers, and confining the direction of movement by linear low-friction devices at 90° to the first linear bearings.
  • Fig 1 is a front elevation of a plasma screen mounting system according to the invention.
  • Figs. 2A and 2B are cross-sectional views along lines A-A and B-B respectively.
  • the mounting system provides means for movement of a screen in three dimensions using linear low-friction devices such as linear bearings and linear bushings to provide freedom of movement in each axial direction.
  • linear low-friction devices such as linear bearings and linear bushings to provide freedom of movement in each axial direction.
  • Tuned dampers such as dashpots are used to damp motion in each axis.
  • Springs are employed to float the screen in each of two axis.
  • the plasma screen is floated from an object of much greater mass, such a wall of an ambulance.
  • the mounting system may be attached to the larger mass directly but more often will be attached using an unsprung bracket which allows the screen to be tilted.
  • the objective is to limit or control acceleration of the screen when the larger mass is moved, especially when the large mass is accelerated quickly such as when a pothole is hit.
  • Fig. 1 is a front elevation of the plasma screen and mounting system 1.
  • An outer frame 3 is affixed to a wall directly or through a tilt mount (not shown).
  • a linear guide shaft 15 for a linear low-friction device such as a linear bearing is attached to frame 3.
  • a second frame 5 is mounted inside outer frame 3 and carries a plurality of linear bearing blocks 17 (the shaft and block may be reversed).
  • the linear bearing blocks allow the second frame 5 to move in the z-direction relative to the outer frame 3 but constrain motion in the x- and y- directions.
  • the movement is constrained by springs and dashpots 19A and 19B mounted in bracket 39. Two pairs are shown, at top and bottom; more may be used.
  • the springs and dashpots (commonly referred to as coil-over-shocks) are mounted in pairs with opposite orientation that allows, when desired, to have different damping in one direction of movement.
  • a sliding pad 7 surrounds and cradles plasma screen 13.
  • the frame 5 and pad 7 are connected in various ways so as to allow free but damped movement in the x and y directions.
  • Retaining brackets 9 are fitted between pad 7 and frame 5. At least one bracket is used per side. Needle bearings 31 separate the brackets from the pad and allow movement of the pad relative to the frame 5 to occur without binding.
  • Multiple springs 29 A, 29B, 29C and 29D hold the retaining bracket and frame 5 apart.
  • Linear low-friction devices such as linear bearings 21 connect restrain movement of brackets 9 and frame 2.
  • Dashpots 23 damp the action of springs 29.
  • a number of adjustable fastening means 25 attach the retaining bracket to the inner frame and provide both location in the x- or y- direction and means to adjust spring tension.
  • Fig. 2A shows a cross-section of the mount system along line A-A and shows the location of linear bearings relative to the frame 5 and bracket 9, and linear bearing retaining collar 37.
  • Front face cover 35 obscures the components of the mounting system from the observer of the screen.
  • Fig 2B taken along line B-B, shows the mounting location of dashpot mounting bracket 39 for dashpot 19 on frame 5 and the relative orientation of dashpot 23 and coil spring 29 A.
  • the coil springs 29 A which support the weight of screen 13, are expected to be greater in number and/or to have a higher spring rate than springs 29B that supports no weight at the top of the screen.
  • the springs 29B may be slightly compressed to be responsive to small vertical movement of the screen.
  • Springs 29C and 29D would, in most cases, be the same number and spring rate on each side and also slightly compressed.
  • Linear bearings for example, include all linear low-friction devices that are available from numerous manufacturers and have numerous detail differences. For some applications, linear bushings are equally functional low-friction devices. Needle bearings 31 may be replaced with a low friction material such as Teflon. Springs, as illustrated in the drawings, are coil springs. Leaf springs are an obvious alternative and may be used one per side or in multiples. Hairpin springs are a suitable substitute for leaf springs and are equivalent depth which makes the mounting thin. Pneumatic, hydraulic and other more exotic springing means are suitable but cost prohibitive dampers or dashpots are described generically and include gas-filled, liquid- filled, viscoelastic and any other damping means.
  • the frames may be formed from any castable or formable metal, although aluminum is preferred for its light- weight. Alternatively, engineering plastics both filled and unfilled may be substituted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vibration Prevention Devices (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Plasma Technology (AREA)
  • External Artificial Organs (AREA)

Abstract

A mounting system(1) for a flat display screen, particularly a plasma display screen, suspends the screen separately in each of the x-, y- and z- directions. A series of frames located by linear bearing blocks (17) and isolated by springs and dampers allows separate controlled movement in each axis. The system (1) enables the use of relatively larger display screens in vehicles in which plasma screens are subject to damage from vibration.

Description

TITLE
FLOATING MOUNT FOR PLASMA SCREEN STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0001] The United States Government has rights in this invention pursuant to Contract No. DE-AC09-96-SR18500 between the U.S. Department of Energy and Westinghouse Savannah River Company. FIELD OF THE INVENTION
[0002] This application relates to methods for mounting flat display screens, particularly plasma screens, in mobile facilities and particularly to methods for vibration isolation for plasma screens in ambulances, mobile hospitals, travel trailers and military vehicles. BACKGROUND AND PRIOR ART
[0003] Flat display screens such as plasma screens offer many advantages over earlier display technologies. Unlike cathode-ray tubes, the screens are thin and flat, requiring less space while providing a larger surface area for display. Unlike liquid crystal displays, plasma screens have the advantage that they can be viewed at an angle without distortion. They are compatible with computers and satellite dishes and are not power hungry. Unfortunately, plasma screens have two large flat glass plates and the integrity of the gas seals between the plates must be maintained. Plasma screens are more shock- sensitive than are alternate monitors which limits not only the manner in which they are shipped, but also the uses to which they can be put. A method for mounting a plasma screen in a vehicle such as an ambulance would improve patient care in remote settings and expand the "golden hour" so critical to emergency medicine for both civilians and military personnel. [0004] U.S. Patent No. 5,583,529 to Saton discloses a portable computer having a small plasma screen which is solid mounted.
[0005] English patent GB 2,357,178A is directed to a mounting system for a plasma display screen that includes a housing which provides adequate ventilation to prevent overheating.
[0006] Japanese Published Patent Application Hei 8- 162028 A discloses gaskets between the panel end mounts to serve as cushioning elements.
[0007] U.S. Patent No. 6,357,717 to Kennard, IN, is directed to a vibration isolation device formed from a soft pliable substance into a stepped configuration. [0008] U.S. Patent No. 6,504,596 to You et al. discloses a liquid crystal device with stress-relieved corners to improve impact resistance. [0009] U.S. Patent No. 6,508,343 to Misaji et al. is directed to a vibration cancellation system incorporating a weight mounted in an elastic body.
[0010] The prior art devices fail to teach how to mount a large flat glass screen in such a manner as to prevent breakage when mounted in moving vehicles such as ambulances, buses and aircraft.
BRIEF DESCRIPTION OF THE INVENTION
[0011] The object of this invention can be obtained by the use of a mounting system that provides limited freedom of movement. To achieve this object, a system is provided to firstly suspend a flat display screen within two frames, the two frames being separated from each other by linear low-friction devices and dampers, and to further isolate the screen from the second frame on four sides by springs and dampers, and confining the direction of movement by linear low-friction devices at 90° to the first linear bearings.
BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Fig 1 is a front elevation of a plasma screen mounting system according to the invention.
[0013] Figs. 2A and 2B are cross-sectional views along lines A-A and B-B respectively.
DETAILED DESCRIPTION OF THE INVENTION
[0014] The mounting system according to this invention provides means for movement of a screen in three dimensions using linear low-friction devices such as linear bearings and linear bushings to provide freedom of movement in each axial direction. Tuned dampers such as dashpots are used to damp motion in each axis. Springs are employed to float the screen in each of two axis.
[0015] The plasma screen is floated from an object of much greater mass, such a wall of an ambulance. The mounting system may be attached to the larger mass directly but more often will be attached using an unsprung bracket which allows the screen to be tilted. The objective is to limit or control acceleration of the screen when the larger mass is moved, especially when the large mass is accelerated quickly such as when a pothole is hit.
[0016] Fig. 1 is a front elevation of the plasma screen and mounting system 1. An outer frame 3 is affixed to a wall directly or through a tilt mount (not shown). At a minimum of four locations, a linear guide shaft 15 for a linear low-friction device such as a linear bearing is attached to frame 3. A second frame 5 is mounted inside outer frame 3 and carries a plurality of linear bearing blocks 17 (the shaft and block may be reversed).
The linear bearing blocks allow the second frame 5 to move in the z-direction relative to the outer frame 3 but constrain motion in the x- and y- directions. The movement is constrained by springs and dashpots 19A and 19B mounted in bracket 39. Two pairs are shown, at top and bottom; more may be used. The springs and dashpots (commonly referred to as coil-over-shocks) are mounted in pairs with opposite orientation that allows, when desired, to have different damping in one direction of movement.
[0017] A sliding pad 7 surrounds and cradles plasma screen 13. The frame 5 and pad 7 are connected in various ways so as to allow free but damped movement in the x and y directions. Retaining brackets 9 are fitted between pad 7 and frame 5. At least one bracket is used per side. Needle bearings 31 separate the brackets from the pad and allow movement of the pad relative to the frame 5 to occur without binding. Multiple springs 29 A, 29B, 29C and 29D hold the retaining bracket and frame 5 apart. Linear low-friction devices such as linear bearings 21 connect restrain movement of brackets 9 and frame 2. Dashpots 23 damp the action of springs 29. [0018] A number of adjustable fastening means 25, typically shoulder bolts, attach the retaining bracket to the inner frame and provide both location in the x- or y- direction and means to adjust spring tension.
[0019] Fig. 2A shows a cross-section of the mount system along line A-A and shows the location of linear bearings relative to the frame 5 and bracket 9, and linear bearing retaining collar 37. Front face cover 35 obscures the components of the mounting system from the observer of the screen.
[0020] Fig 2B, taken along line B-B, shows the mounting location of dashpot mounting bracket 39 for dashpot 19 on frame 5 and the relative orientation of dashpot 23 and coil spring 29 A. It is noted that the coil springs 29 A, which support the weight of screen 13, are expected to be greater in number and/or to have a higher spring rate than springs 29B that supports no weight at the top of the screen. The springs 29B may be slightly compressed to be responsive to small vertical movement of the screen. Springs 29C and 29D would, in most cases, be the same number and spring rate on each side and also slightly compressed. [0021] The components of the mounting have been described generically and are subject to many variations. Linear bearings, for example, include all linear low-friction devices that are available from numerous manufacturers and have numerous detail differences. For some applications, linear bushings are equally functional low-friction devices. Needle bearings 31 may be replaced with a low friction material such as Teflon. Springs, as illustrated in the drawings, are coil springs. Leaf springs are an obvious alternative and may be used one per side or in multiples. Hairpin springs are a suitable substitute for leaf springs and are equivalent depth which makes the mounting thin. Pneumatic, hydraulic and other more exotic springing means are suitable but cost prohibitive dampers or dashpots are described generically and include gas-filled, liquid- filled, viscoelastic and any other damping means.
[0022] The frames may be formed from any castable or formable metal, although aluminum is preferred for its light- weight. Alternatively, engineering plastics both filled and unfilled may be substituted.
[0023] The invention has been described in terms of the preferred embodiments. Variations apparent to those skilled in the art are included within the scope and spirit of the invention, which is more particularly defined by the claims.

Claims

We claim:
1. A mounting system for a flat display screen comprising a) an outer frame adapted for attachment to an object of greater mass; b) an inner frame isolated from said outer frame by a plurality of linear low- friction devices and a plurality of combinations of springs and dampers; c) sliding pads cradling a flat display screen on four sides; d) retaining brackets interposed between said inner frame and said sliding pads; e) a plurality of needle bearings separating said retaining brackets and said sliding pads; f) a plurality of springs separating said inner frame from said retaining brackets; g) a plurality of adjustable fastening means tying said retaining brackets to said inner frame; h) a plurality of dampers parallel to said adjustable fastening means; and i) a cover attached to said outer frame and concealing the area between said outer frame and said flat display screen.
2. A mounting system according to claim 1 wherein said linear low-friction devices are selected from the group consisting of linear bearings and linear bushings.
3. A mounting system according to claim 1 wherein said springs separating said inner frame from said retaining brackets are selected from the group consisting of coil springs, leaf springs, hairpin springs, pneumatic springs and hydraulic springs.
4 A mounting system according to claim 1 wherein said dampers are selected from the group consisting of pneumatic dashpots, hydraulic dashpots and viscoelastic devices.
5. A mounting system according to claim 1 wherein said adjustable fastening means is a shoulder bolt.
6. A mounting system according to claim 1 wherein said flat display screen is selected from the group consisting of liquid crystal display screens and plasma display screens.
7. A mounting system according to claim 6 wherein said flat display screen is a plasma display screen.
8. A mounting system for a flat display screen comprising a) means for attaching a mounting system to an object having greater mass; b) means for separately suspending said flat display screen in each of the x-, y- and z- directions; c) means for separately damping the movement of said flat display screen in each of said x-, y- and z- directions; d) means for isolating said mounting system from said flat display screen to allow said display screen to move relative to said mounting system; and e) means to conceal said mounting system.
PCT/US2004/014873 2003-05-16 2004-05-13 Floating mount for plasma screen WO2004105072A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE602004003058T DE602004003058T2 (en) 2003-05-16 2004-05-13 FLOATING STORAGE OF A PLASMA SCREEN
EP04752014A EP1634444B1 (en) 2003-05-16 2004-05-13 Floating mount for plasma screen
CA002526020A CA2526020C (en) 2003-05-16 2004-05-13 Floating mount for plasma screen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/439,855 2003-05-16
US10/439,855 US6808148B1 (en) 2003-05-16 2003-05-16 Floating mount for plasma screen

Publications (2)

Publication Number Publication Date
WO2004105072A2 true WO2004105072A2 (en) 2004-12-02
WO2004105072A3 WO2004105072A3 (en) 2005-05-19

Family

ID=33159461

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/014873 WO2004105072A2 (en) 2003-05-16 2004-05-13 Floating mount for plasma screen

Country Status (6)

Country Link
US (1) US6808148B1 (en)
EP (1) EP1634444B1 (en)
AT (1) ATE344587T1 (en)
CA (1) CA2526020C (en)
DE (1) DE602004003058T2 (en)
WO (1) WO2004105072A2 (en)

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CN107380721A (en) * 2017-07-31 2017-11-24 合肥万伟达信息科技有限公司 A kind of anti-transport case of colliding with for Office Consumables

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DE20110595U1 (en) * 2001-06-28 2002-08-08 Siemens Ag Holding device for floating storage of a flat screen and electronic display device with flat screen and holding device
KR100878206B1 (en) * 2002-08-13 2009-01-13 삼성전자주식회사 Optical sheet and back light assembly using the same and liquid crystal display device using the same
WO2006010198A1 (en) * 2004-07-30 2006-02-02 Atdec Pty Limited Adjustable mounting for flat panel displays
KR100592291B1 (en) * 2004-08-28 2006-06-22 삼성에스디아이 주식회사 Display device
GB2443267B (en) * 2006-10-28 2010-01-27 Wall Off Visual display unit mount
US8050022B2 (en) * 2008-10-28 2011-11-01 William C. McIntyre, P.E., LLC System and method for covering a monitor screen
US9403623B2 (en) 2013-07-05 2016-08-02 Craig L. Aaland Adjustable, reusable packing crate
KR20150014147A (en) * 2013-07-29 2015-02-06 윤일식 Damping and Supporting Device for Monitor Mounted in an Elevator Door
CN107472668B (en) * 2017-07-28 2019-07-16 嵊州市雾非雾机械设备商行 A kind of main frame all-position safety transport device
CN110891393B (en) * 2019-11-04 2021-06-08 郭傲然 Electronic information engineering is with shock attenuation electric installation that floats
CN110925543A (en) * 2019-12-10 2020-03-27 江西鑫彩晨光电科技有限公司 Display screen shock attenuation fixing device

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Also Published As

Publication number Publication date
EP1634444A2 (en) 2006-03-15
EP1634444B1 (en) 2006-11-02
US6808148B1 (en) 2004-10-26
DE602004003058D1 (en) 2006-12-14
DE602004003058T2 (en) 2007-05-03
ATE344587T1 (en) 2006-11-15
US20040227046A1 (en) 2004-11-18
WO2004105072A3 (en) 2005-05-19
CA2526020C (en) 2009-12-01
CA2526020A1 (en) 2004-12-02

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